50 A Fuses 38

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Part RoHS Manufacturer Circuit Protection Type Mounting Feature Rated AC Voltage Rated DC Voltage Rated Current Terminal Shape Nominal Joule Integral Minimum Operating Temperature Terminal Finish Rated Breaking Capacity Manufacturer Series Trip Time/Delay Additional Features Pre Arcing Rating (A2/s) Packing Method Body Length/Diameter Body Width Fuse Class JESD-609 Code Rated Voltage Resistance Minimum Pre Arcing Time Fuse Size Built-in Features Dimensions Body Height Reference Standard Maximum Operating Temperature Blow Characteristic

NH00CM50

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

50 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.02 in (51.3 mm)

0.787 in (20 mm)

Indicator

2.02 x 0.787 x 2.126 in (51.3 x 20 x 54 mm)

2.126 in (54 mm)

VDE

NH00CG50

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

50 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.02 in (51.3 mm)

0.787 in (20 mm)

Indicator

2.02 x 0.787 x 2.126 in (51.3 x 20 x 54 mm)

2.126 in (54 mm)

VDE

LA100P50-4TI

Littelfuse

Electric Fuse

Inline/Holder

1 KV

750 V

50 A

Tab/Blade

4.5 J

100 kA

Rated Breaking Capacity at 750 VDC: 100000 A

1 in (25.4 mm)

Indicator

1 x 6.811 in (25.4 x 173 mm)

6.811 in (173 mm)

UL

Very Fast

LA100P50-4

Littelfuse

Electric Fuse

Inline/Holder

1 KV

750 V

50 A

Tab/Blade

4.5 J

100 kA

Rated Breaking Capacity at 750 VDC: 100000 A

1 in (25.4 mm)

1 x 6.811 in (25.4 x 173 mm)

6.811 in (173 mm)

UL

Very Fast

LA15QS50-1

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

50 A

End Cap

470 mJ

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

0.811 in (20.6 mm)

0.811 x 2 in (20.6 x 50.8 mm)

2 in (50.8 mm)

UL

Very Fast

LA15QS50-4

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

50 A

End Cap

640 mJ

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

0.811 in (20.6 mm)

0.811 x 2 in (20.6 x 50.8 mm)

2 in (50.8 mm)

UL

Very Fast

LA30QS50-4

Littelfuse

Electric Fuse

Inline/Holder

300 V

300 V

50 A

Tab/Blade

2 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.72 in (18.3 mm)

0.72 x 1.63 in (18.3 x 41.4 mm)

1.63 in (41.4 mm)

UL

Very Fast

LA50QS50-4

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

50 A

Tab/Blade

1.1 J

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

1 in (25.4 mm)

500 V

1 x 2.13 in (25.4 x 54.1 mm)

2.13 in (54.1 mm)

CSA; UL

Fast

LA70QS50-14FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

50 A

End Cap

1.5 J

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.551 in (14 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

CSA; UL

Very Fast

LA70QS50-14F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

50 A

End Cap

1.5 J

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.551 in (14 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

CSA; UL

Very Fast

LA70QS50-22FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

50 A

End Cap

800 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.866 in (22 mm)

0.866 x 2.283 in (22 x 58 mm)

2.283 in (58 mm)

CSA; UL

Very Fast

LA70QS50-22F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

50 A

End Cap

800 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.866 in (22 mm)

0.866 x 2.283 in (22 x 58 mm)

2.283 in (58 mm)

CSA; UL

Very Fast

LA70QS50-4

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

50 A

Tab/Blade

880 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

1 in (25.4 mm)

1 x 2.874 in (25.4 x 73 mm)

2.874 in (73 mm)

CSA; UL

Fast

CY14X51G50

Littelfuse

Electric Fuse

Inline/Holder

400 V

50 A

End Cap

120 kA

0.551 in (14 mm)

400 V

0.551 x 2.008 in (14 x 51 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

IEC

Fast

CY14X51M50

Littelfuse

Electric Fuse

Inline/Holder

400 V

50 A

End Cap

120 kA

0.551 in (14 mm)

400 V

0.551 x 2.008 in (14 x 51 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

IEC

Time Lag

CY22X58G50

Littelfuse

Electric Fuse

Inline/Holder

690 V

50 A

End Cap

80 kA

0.866 in (22 mm)

690 V

0.866 x 2.283 in (22 x 58 mm)

0.866 x 2.283 in (22 x 58 mm)

2.283 in (58 mm)

IEC

Fast

CY22X58M50

Littelfuse

Electric Fuse

Inline/Holder

690 V

50 A

End Cap

80 kA

0.866 in (22 mm)

500 V

0.866 x 2.283 in (22 x 58 mm)

0.866 x 2.283 in (22 x 58 mm)

2.283 in (58 mm)

IEC

Time Lag

15NLE50E

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

50 A

End Cap

60 kA

5 m

3 in (76.2 mm)

Striker

3 x 23.875 in (76.2 x 606.43 mm)

23.875 in (606.43 mm)

Medium

5NLE50E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

8NLE50E

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

50 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 17.87 in (76.2 x 453.89 mm)

17.875 in (454.03 mm)

Medium

NH1CG50

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

50 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.22 in (56.4 mm)

1.181 in (30 mm)

Indicator

2.22 x 1.181 x 2.835 in (56.4 x 30 x 72 mm)

2.835 in (72 mm)

VDE

PSR030FL0050Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

50 A

Threaded

110 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.969 in (50 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR030FS0050Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

50 A

Threaded

110 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.969 in (50 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR070FL0050Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

50 A

Threaded

177 J

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.913 in (74 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR070FS0050Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

50 A

Threaded

177 J

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.913 in (74 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR030UL0050Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

50 A

Tab/Blade

110 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.878 in (47.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR030US0050Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

50 A

Tab/Blade

110 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.878 in (47.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR070UL0050Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

50 A

Tab/Blade

177 J

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.823 in (71.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR070DL0050Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

50 A

Tab/Blade

177 J

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.823 in (71.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR030DL0050Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

50 A

Tab/Blade

110 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.878 in (47.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR030DS0050Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

50 A

Tab/Blade

110 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.878 in (47.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PF-FB1-50

Bourns

Electric Fuse

Inline/Holder

800 V

800 V

50 A

Tab/Blade

800 J

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 800 VDC: 50000 A

Bulk

0.949 in (24.1 mm)

2.717 in (69 mm)

CUL; UL

125 °C (257 °F)

PF-FB2-50

Bourns

Electric Fuse

Inline/Holder

800 V

800 V

50 A

Tab/Blade

800 J

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 800 VDC: 50000 A

Bulk

0.949 in (24.1 mm)

2.598 in (66 mm)

CUL; UL

125 °C (257 °F)

PF-KT1-50

Bourns

Electric Fuse

Inline/Holder

275 V

500 V

50 A

Tab/Blade

9.203 kJ

-55 °C (-67 °F)

10 kA

1 s

Bulk

0.406 in (10.3 mm)

1.496 in (38 mm)

125 °C (257 °F)

XEV10-50

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

50 A

End Cap

2.74 kJ

-40 °C (-40 °F)

20 kA

0.406 in (10.3 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

125 °C (257 °F)

XEV10-50-T

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

50 A

Tab/Blade

2.74 kJ

-40 °C (-40 °F)

20 kA

0.406 in (10.3 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

125 °C (257 °F)

XEV10-50-1P

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

50 A

Tab/Blade

2.74 kJ

-40 °C (-40 °F)

20 kA

0.406 in (10.3 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

125 °C (257 °F)

FWP-50G22FI

Eaton Corporation

Electric Fuse

Inline/Holder

690 V

500 V

50 A

End Cap

273 J

200 kA

Bulk

0.866 in (22 mm)

0.866 x 2.283 in (22 x 58 mm)

Indicator

2.283 in (58 mm)

IEC; UL

Fuses

A fuse is an electrical safety device that is designed to protect an electrical circuit from damage caused by overcurrent. Fuses are commonly used in residential, commercial, and industrial electrical systems, and they are an important safety device that helps prevent electrical fires, equipment damage, and personal injury.

A fuse typically consists of a metal wire or filament that is enclosed in a fuse body, which is designed to protect the wire from damage. The fuse is connected in series with the electrical circuit, and when the current flowing through the circuit exceeds a preset level, the wire in the fuse will melt or blow, which opens the circuit and prevents further damage to the electrical system.

Fuses are available in a variety of types and sizes, and they can be classified based on their current rating, voltage rating, and speed of operation. Some common types of fuses include cartridge fuses, blade fuses, and plug fuses.

In addition to protecting electrical systems from overcurrent, fuses can also be used to protect electrical equipment and machinery from damage caused by short circuits or other types of electrical faults. They are a cost-effective and reliable method of electrical protection, and they are widely used in a variety of electrical applications.